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-rw-r--r--drivers/power/palmas.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/power/palmas.c b/drivers/power/palmas.c
new file mode 100644
index 0000000000..09c832d8b6
--- /dev/null
+++ b/drivers/power/palmas.c
@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2012-2013
+ * Texas Instruments, <www.ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <config.h>
+#include <palmas.h>
+
+void palmas_init_settings(void)
+{
+ return;
+}
+
+int palmas_mmc1_poweron_ldo(void)
+{
+ u8 val = 0;
+
+ /* set LDO9 TWL6035 to 3V */
+ val = 0x2b; /* (3 -.9)*28 +1 */
+
+ if (palmas_i2c_write_u8(0x48, LDO9_VOLTAGE, val)) {
+ printf("twl6035: could not set LDO9 voltage.\n");
+ return 1;
+ }
+
+ /* TURN ON LDO9 */
+ val = LDO_ON | LDO_MODE_SLEEP | LDO_MODE_ACTIVE;
+
+ if (palmas_i2c_write_u8(0x48, LDO9_CTRL, val)) {
+ printf("twl6035: could not turn on LDO9.\n");
+ return 1;
+ }
+
+ return 0;
+}